Ticket #24662: patch_24662.txt

### Eclipse Workspace Patch 1.0
#P JMapViewer
Index: src/org/openstreetmap/gui/jmapviewer/tilesources/BingAerialTileSource.java
===================================================================
--- src/org/openstreetmap/gui/jmapviewer/tilesources/BingAerialTileSource.java  (revision 36494)
+++ src/org/openstreetmap/gui/jmapviewer/tilesources/BingAerialTileSource.java  (working copy)
@@ -8,6 +8,7 @@
 import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.concurrent.Callable;
@@ -229,7 +230,7 @@
         } catch (SAXException | ParserConfigurationException | XPathExpressionException | NumberFormatException e) {
             LOG.log(Level.SEVERE, "Could not parse Bing aerials attribution metadata.", e);
         }
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -337,7 +338,7 @@
                 Thread.currentThread().interrupt();
             }
         }
-        return null;
+        return Collections.emptyList();
     }
 
     @Override